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Finding the Fourth Proportional to 7,339,665.86, 11,009,498.80 and 7,339,665.86

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Solution

The fourth proportional to 7,339,665.86, 11,009,498.80 and 7,339,665.86 is: 11,009,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,665.86 : 11,009,498.80 = 7,339,665.86 : x
  2. Step 2: Convert to fraction form
    7,339,665.86/11,009,498.80 = 7,339,665.86/x
  3. Step 3: Cross multiply
    7,339,665.86x = 11,009,498.80 × 7,339,665.86
  4. Step 4: Simplify right side
    7,339,665.86x = 80,806,042,478,070.98
  5. Step 5: Solve for x
    x = 80,806,042,478,070.98/7,339,665.86
  6. Step 6: Final answer
    x = 11,009,498.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.